HeliAt its meeting on 17 January 2018, the Federal Council approved the amendment of the SIL object sheet for the regional airport Birrfeld in Aargau. With the adjustment of the object sheet, the operating concession was definitely granted for a new period of 30 years. Newly mentioned is the helicopter base for rescue and mission flights, which has been operated by Alpine Air Ambulance (AAA) at Birrfeld Airfield since spring 2013. Press release of the Federal Council of 17 January 2018